Established in 1902 to celebrate the fortieth year of the reign of Emperor Gwangmu.

According to Peterson, this medal was issued in both silver and bronze. There are examples of both below. Both medals are exceedingly rare. The silver was probably awarded to nobility and the bronze to officials and others who qualified for the medal.

OBVERSE: Injungjun building (Hall of Benevolent Administration) in Seoul.REVERSE: Korean crown and inscription 'The Imperial Korea, His Majesty the Emperor, In Commemoration of the Forty Year Reign, And to Pray for Sixty Additional Years of His Majesty's Life, Commemorative Silver Medal, Kwang Mu 6, 10th Month, 18th Day.' Translation from Peterson's book.The medal was issued in both silver and bronze.

It was established in 1902 to celebrate the fortieth year of Emperor Gojong’s (the Gwangmu Emperor) reign. Gojong was later forced to abdicate by the Japanese and some say the Japanese poisoned him in prison. He died in 1919.